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WO2011011606A3 - Methods of forming sintered boron carbide - Google Patents

Methods of forming sintered boron carbide Download PDF

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Publication number
WO2011011606A3
WO2011011606A3 PCT/US2010/042912 US2010042912W WO2011011606A3 WO 2011011606 A3 WO2011011606 A3 WO 2011011606A3 US 2010042912 W US2010042912 W US 2010042912W WO 2011011606 A3 WO2011011606 A3 WO 2011011606A3
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WO
WIPO (PCT)
Prior art keywords
boron carbide
green
carbide powder
low oxygen
sintered
Prior art date
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Ceased
Application number
PCT/US2010/042912
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French (fr)
Other versions
WO2011011606A2 (en
Inventor
Vimal K. Pujari
James T. Hennessey
Christopher J. Reilly
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Saint Gobain Ceramics and Plastics Inc
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Saint Gobain Ceramics and Plastics Inc
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Filing date
Publication date
Application filed by Saint Gobain Ceramics and Plastics Inc filed Critical Saint Gobain Ceramics and Plastics Inc
Priority to JP2012521783A priority Critical patent/JP2013500227A/en
Priority to EP10802902A priority patent/EP2456733A4/en
Publication of WO2011011606A2 publication Critical patent/WO2011011606A2/en
Publication of WO2011011606A3 publication Critical patent/WO2011011606A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
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    • C01B32/956—Silicon carbide
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Abstract

A method of forming a sintered boron carbide body includes washing boron carbide powder with essentially pure water at an elevated temperature to generate low oxygen boron carbide powder, mixing a sintering aid and a pressing aid with the low oxygen boron carbide powder to form a green mixture, and shaping the green mixture into a green boron carbide body. The method can include mixing titanium carbide powder having an average particle diameter in a range of between about 5 nm and about 100 nm with the low oxygen boron carbide powder. The method can further include sintering the green boron carbide body, and hot isostatic pressing the sintered body, to a density greater than about 98.5% of the theoretical density (TD) of boron carbide. Alternatively, the method can include sintering the shaped boron carbide green body at a temperature greater than about 2,200 0C, to thereby form a eutectic liquid solid solution of B4C/SiC, forming a sintered boron carbide body with a density greater than about 98% TD.
PCT/US2010/042912 2009-07-24 2010-07-22 Methods of forming sintered boron carbide Ceased WO2011011606A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012521783A JP2013500227A (en) 2009-07-24 2010-07-22 Method for forming sintered boron carbide
EP10802902A EP2456733A4 (en) 2009-07-24 2010-07-22 Methods of forming sintered boron carbide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27169409P 2009-07-24 2009-07-24
US61/271,694 2009-07-24

Publications (2)

Publication Number Publication Date
WO2011011606A2 WO2011011606A2 (en) 2011-01-27
WO2011011606A3 true WO2011011606A3 (en) 2011-04-28

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PCT/US2010/042912 Ceased WO2011011606A2 (en) 2009-07-24 2010-07-22 Methods of forming sintered boron carbide

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US (1) US20110227259A1 (en)
EP (1) EP2456733A4 (en)
JP (1) JP2013500227A (en)
WO (1) WO2011011606A2 (en)

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JP5981452B2 (en) * 2010-12-28 2016-08-31 ヴェルコ・マテリアルズ・エルエルシー Boron carbide-based material and method for producing the material
US9321187B2 (en) 2012-07-31 2016-04-26 Verco Materials, Llc Process for fabrication of high-hardness, fine-grained, complex-shaped silicon carbide articles
CN109415268A (en) 2016-05-05 2019-03-01 圣戈本陶瓷及塑料股份有限公司 Multiphase ceramic composite material
CN109279909B (en) * 2018-10-29 2021-07-02 宁波伏尔肯科技股份有限公司 Preparation method of high-strength boron carbide porous ceramic
CN110981550B (en) * 2020-01-06 2021-12-07 湖南新华源科技有限公司 Metallization preparation method of boron carbide ceramic
KR102364295B1 (en) * 2020-02-28 2022-02-21 한국과학기술연구원 Boron carbide composite and its fabrication method
US20220289635A1 (en) * 2021-03-10 2022-09-15 National Chung Shan Institute Of Science And Technology Method for preparing carbon/boron carbide composite material
EP4219427A1 (en) 2022-02-01 2023-08-02 Consiglio Nazionale Delle Ricerche - CNR Process for producing ceramic composite materials for ballistic purposes based on b4c, tib2 and b4c/tib2

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